ChemInform Abstract: New Isoformula Borates with Similar Structures and Different Properties — Acentric Nonlinear Optical KGd[B6O10(OH)2] and Centrosymmetric KHo[B6O10(OH)2].

Белоконева, Е. Л.; Topnikova, A. P.; Stefanovich, S. Yu.; Dobretsova, Elena; Волков, А. С.; Димитрова, О. В.

doi:10.1002/chin.201536013

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“…So, the set of the shortest oxide bond lengths L(M/E-O) is a key informative parameter for the [14][15][16][17][18]103,110,112]. The same fuzzy dependence of χ (2) on L(M/E-O) for simple and binary borate crystals is presented in Figure 19.…”

Section: Interrelationship "Composition-structure-oxide Bond Length-nmentioning

confidence: 99%

Comparative Interrelationship of the Structural, Nonlinear-Optical and Other Acentric Properties for Oxide, Borate and Carbonate Crystals

Kidyarov

2017

Crystals

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Abstract:The structure and the maximal nonlinear optical (NLO) susceptibility χ (2) are tabulated for more 700 acentric binary oxides, 220 crystals of simple, binary and complex borates and for the same set of 110 carbonates, tartrates, formates, oxalates, acetates and fluoride-carbonates used in ultraviolet and deep ultraviolet optoelectronics. According to the chemical formula, the structural symbols of these crystals have been plotted on the plane of two minimal oxide bond lengths (OBL). It is shown that acentric crystals are positioned on such plane inside the vertical, horizontal and slope intersected ellipses of "acentricity". The oxide and borate crystals with moderate NLO susceptibility are found in the central parts of these ellipses intersection and, with low susceptibility, on top, at the bottom and border of the ellipses rosette. The nonpolar fluoride-carbonate crystals with high NLO susceptibility are found in the curve-side rhombic parts of the slope ellipse of "acentricity". The unmonotonous fuzzy dependence "χ (2) " on the OBL of these crystals is observed, and their clear-cut taxonomy on compounds with π-or σ-oxide bonds is also established. It is shown that the correlations of χ (2) with other acentric properties are nonlinear for the whole set of the oxide crystals having their clear maximum at a certain value of the piezoelectric or electro-optic coefficient. The correlation "hardness-thermoconductivity-fusibility" is plotted for oxide crystals, part of which is used at the creation of self-frequency-doubling solid state lasers.

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Section: Interrelationship "Composition-structure-oxide Bond Length-nmentioning

confidence: 99%

Comparative Interrelationship of the Structural, Nonlinear-Optical and Other Acentric Properties for Oxide, Borate and Carbonate Crystals

Kidyarov

2017

Crystals

View full text Add to dashboard Cite

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ChemInform Abstract: New Isoformula Borates with Similar Structures and Different Properties — Acentric Nonlinear Optical KGd[B₆O₁₀(OH)₂] and Centrosymmetric KHo[B₆O₁₀(OH)₂].

Abstract: Single crystals of KGd[B6O10(OH)2] (I) are prepared by hydrothermal reaction of Gd2(CO3)3, K2CO3, KBr, and B2O3 in the presence of SiO2 (H2O, pH = 5.6, autoclave, 290 °C, 18‐20 d) at pH 5.6 for (I) and pH 7.8 for (II).

Cited by 1 publication

References 1 publication

Comparative Interrelationship of the Structural, Nonlinear-Optical and Other Acentric Properties for Oxide, Borate and Carbonate Crystals

Comparative Interrelationship of the Structural, Nonlinear-Optical and Other Acentric Properties for Oxide, Borate and Carbonate Crystals

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